body,
ol,
ul,
dl,
dt,
dd,
h1,
h2,
h3,
h4,
h5,
h6,
form,
input,
fieldset,
legend,
figure,
figcaption {
    margin: 0px;
    padding: 0px;
}

body {
    font-size: 16px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: normal;
}

i,
em {
    font-style: normal;
}

b,
strong {
    font-weight: normal;
}

a,
u {
    text-decoration: none;
}

ul,
li,
ol,
dl {
    list-style: none;
}

input {
    outline: none;
}

img {
    vertical-align: top;
}

/* 图片顶部对齐 */
* {
    box-sizing: border-box;
}